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Java Source | 1997-05-20 | 3.4 KB | 106 lines |
- /*
- * @(#)Process.java 1.10 97/01/22
- *
- * Copyright (c) 1995, 1996 Sun Microsystems, Inc. All Rights Reserved.
- *
- * This software is the confidential and proprietary information of Sun
- * Microsystems, Inc. ("Confidential Information"). You shall not
- * disclose such Confidential Information and shall use it only in
- * accordance with the terms of the license agreement you entered into
- * with Sun.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
- * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
- * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
- * THIS SOFTWARE OR ITS DERIVATIVES.
- *
- * CopyrightVersion 1.1_beta
- *
- */
-
- package java.lang;
-
- import java.io.*;
-
- /**
- * The <code>exec</code> methods return an
- * instance of a subclass of <code>Process</code> that can be used to
- * control the process and obtain information about it.
- * <p>
- * The subprocess is not killed when there are no more references to
- * the <code>Process</code> object, but rather the subprocess
- * continues executing asynchronously.
- *
- * @author unascribed
- * @version 1.10, 01/22/97
- * @see java.lang.Runtime#exec(java.lang.String)
- * @see java.lang.Runtime#exec(java.lang.String, java.lang.String[])
- * @see java.lang.Runtime#exec(java.lang.String[])
- * @see java.lang.Runtime#exec(java.lang.String[], java.lang.String[])
- * @since JDK1.0
- */
- public abstract class Process
- {
- /**
- * Gets the output stream of the subprocess.
- * This stream is usually buffered.
- *
- * @return the output stream connected to the normal input of the
- * subprocess.
- * @since JDK1.0
- */
- abstract public OutputStream getOutputStream();
-
- /**
- * Gets the input stream of the subprocess.
- * This stream is usually buffered.
- *
- * @return the input stream connected to the normal output of the
- * subprocess.
- * @since JDK1.0
- */
- abstract public InputStream getInputStream();
-
- /**
- * Gets the error stream of the subprocess.
- * This stream is usually unbuffered.
- *
- * @return the input stream connected to the error stream of the
- * subprocess.
- * @since JDK1.0
- */
- abstract public InputStream getErrorStream();
-
- /**
- * Waits for the subprocess to complete. This method returns
- * immediately if the subprocess has already terminated. If the
- * subprocess has not yet terminated, the calling thread will be
- * blocked until the subprocess exits.
- *
- * @return the exit value of the process.
- * @exception InterruptedException if the <code>waitFor</code> was
- * interrupted.
- * @since JDK1.0
- */
- abstract public int waitFor() throws InterruptedException;
-
- /**
- * Returns the exit value for the subprocess.
- *
- * @return the exit value of the subprocess.
- * @exception IllegalThreadStateException if the subprocess has not yet
- * terminated.
- * @since JDK1.0
- */
- abstract public int exitValue();
-
- /**
- * Kills the subprocess.
- *
- * @since JDK1.0
- */
- abstract public void destroy();
- }
-